Persona

A Persona is a representation of an idea or desire within one's self, similar to a Shadow, but as a beneficial agent as opposed to an extreme interpretation of an unconscious desire. A Persona can guide an individual who is in tune with their iteration in the collective unconscious, allowing them to defend against the threats posed by hostile Shadows or dangers native to the world of dreams.

Max
Max is the main Persona user in The Adventures of Sharkboy and Lavagirl in 3-D. He is a "wild card", with the ability to use several Personas.

Max's Personas

 * Sharkboy - One of Max's personas, he is of the Strength arcana. Sharkboy represents an ideal defender, armed with courage, physical power, and is in tune with his own instincts.
 * Lavagirl - Another of Max's Personas, she is of the Star arcana. representing an idea that is unknown to even herself, but ultimately revealed to be a representation of light: hope, purpose, guidance.
 * Tobor - A Persona that Max does not call upon often and seems to show up when his wisdom is most needed, being of the Hermit arcana. He pushes Max to "dream a better dream" and gives him the advice he needs when he is at his lowest point.